Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
136966 (1998 RL39)
Classification: Main-belt Asteroid          SPK-ID: 2136966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860041629237193 4.9911e-08  
a 2.370605067883872 8.1038e-09 au
q 1.929662656609406 1.1939e-07 au
i 3.4136944146103 3.908e-06 deg
node 133.7485270171155 8.7433e-05 deg
peri 235.8605278132552 8.8162e-05 deg
M 22.34930005453246 9.8702e-06 deg
tp 2459117.734629197236
(2020-Sep-25.23462920)
3.6619e-05 TDB
period 1333.17524111689
3.65
6.8361e-06
1.872e-08
d
yr
n .2700320174701144 1.3846e-09 deg/d
Q 2.811547479158338 9.6111e-09 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8191 days (22.43 yr)  
   first obs. used      1998-08-30  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:44  

Additional Information
 Earth MOID = .929867 au 
 Jupiter MOID = 2.65345 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457619.5 (2016-Aug-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873690228773953 4.9931e-08  
q 1.926255185188972 1.1963e-07 au
tp 2457785.035711798068
(2017-Jan-31.53571180)
3.7908e-05 TDB
node 133.8004241522624 8.7541e-05 deg
peri 235.9824715174386 8.8253e-05 deg
i 3.412182172419537 3.9066e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      8191 days (22.43 yr)  
   first obs. used      1998-08-30  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:44  

Additional Information
 Jupiter MOID = 2.65345 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.493149145531546E-15 -5.964452426427855E-15 3.119553600051307E-13 6.221168773510151E-14 -3.719687515397932E-15 -3.65457783066999E-15
q -5.964452426427855E-15 1.431194888701381E-14 -8.270080603409023E-13 -1.475471034174253E-13 -1.752033905422359E-14 8.852961506353027E-15
tp 3.119553600051307E-13 -8.270080603409023E-13 1.43699056303849E-9 7.194775745028571E-12 4.485487191262745E-10 -5.830409095537021E-13
node 6.221168773510151E-14 -1.475471034174253E-13 7.194775745028571E-12 7.663380031482306E-9 -7.648593064565941E-9 9.616963869399198E-11
peri -3.719687515397932E-15 -1.752033905422359E-14 4.485487191262745E-10 -7.648593064565941E-9 7.788658238460482E-9 -9.612936309044935E-11
i -3.65457783066999E-15 8.852961506353027E-15 -5.830409095537021E-13 9.616963869399198E-11 -9.612936309044935E-11 1.52613309581464E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.48   n/a E2021B55  

136966 (1998 RL39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 RL39 = 2000 DW50 = 2000 EM206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 01:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin